weight作为名词，意思是重量，分量，重，重物。weight作为动词，意思是在…上加重量，使负重，(用重物)固定，使加权。weigh是动词，意思是有…重，重，称重量，量体重(通常用磅秤)，认真考虑，权衡，斟酌。
weight用法：
①重量，分量
The kilogram is the international standard of weight.
公斤是国际通用的重量标准。
②重物
The dressmaker put small weight in the hem of the dress.
那裁缝把小块重物缝进连衣裙的下摆里。
③负荷，负担
With each breath, give your weight more and more to the ground.
每一次呼吸，都有更多的负担向地面排出。
④重要性，严重性，影响力
It is up to the jury to determine how much weight or consideration to give that evidence.
应该由陪审团来决定应该给予证据多大的重要性。
⑤使…变重
The net is weighted to keep it below the surface of the water.
这个网加了坠因而可没入水面以下。
weigh用法：
①称...的重量
A simple solution, then, was to melt down the crown, cast it into a cube and weigh it.
于是，最简单的办法是：将王冠熔化，铸成一个方块，称出它的重量。
②权衡
We have to weigh the cost of the new system against the benefits it will bring.
我们必须权衡一下起用新系统所需的成本和它将带来的效益。
③考虑
They were big powerful men, with not much capacity to weigh the consequences.
他们个个都是身材魁梧、强悍有力的人，凡事不太会考虑什么后果的。
扩展资料
表示“重量”地词还有heft。heft作为动词的意思是举，举起试测……的重量，重达。作为名词的意思是重（量），重要（性），势力，大半，大部分。
heft用法如下：
①重量
例句：
This power source has advantage of small volume, light heft, reliable working stabilization and wide waveband.
该电源具有体积小、重量轻、工作稳定可靠，频率范围宽的优点。
②举起
例句：
Also, adventurers can see the spirits of the fallen outside of Orgrimmar and Ironforge and can take a moment to heft a mug of Harvest Nectar to their memory.
而且，冒险者们可以在奥格瑞玛以及铁炉堡外面看见英雄们的灵魂，而且可以抽出一点时间举起一杯收割节的甘露献给英雄。
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